(13:9a) "If there be any other commandment...."
Paul tries to list the Ten Commandments, but he only came up with five (the good secular humanist ones). Oh well, Jesus couldn’t list them all either.
(Mt 19:17-19)

13:1
Let every soul be subject unto the higher powers. For there is no power but of
God: the powers that be are ordained of God.

13:2Whosoever therefore
resisteth the power, resisteth the ordinance of God: and they that resist
shall receive to themselves damnation.

13:3For rulers are not a terror to good works, but to the evil. Wilt thou then
not be afraid of the power? do that which is good, and thou shalt have
praise of the same:

13:4
For he is the minister of God to thee for good. But if thou do that which
is evil, be afraid; for he beareth not the sword in vain: for he is the minister of
God, a revenger to execute wrath upon him that doeth evil.

13:5
Wherefore ye must needs be subject, not only for wrath, but also for
conscience sake.

13:6
For for this cause pay ye tribute also: for they are God's ministers,
attending continually upon this very thing.

13:7Render therefore to all their dues: tribute to whom tribute is due; custom
to whom custom; fear to whom fear; honour to whom honour.

13:8Owe no man any thing, but to love one another: for he that loveth another
hath fulfilled the law.

13:9
For this, Thou shalt not commit adultery, Thou shalt not kill, Thou shalt
not steal, Thou shalt not bear false witness, Thou shalt not covet;
and if there be any other commandment, it is briefly comprehended in this saying,
namely, Thou shalt love thy neighbour as thyself.

13:10Love worketh no ill to his neighbour: therefore love is the fulfilling of
the law.

13:11
And that, knowing the time, that now it is high time to awake out of
sleep: for now is our salvation nearer than when we believed.

13:12The night is far spent, the day is at hand: let us therefore cast off the
works of darkness, and let us put on the armour of light.

13:13Let us walk honestly, as in the day;
not in rioting and drunkenness, not
in chambering and wantonness, not in strife and envying.

13:14
But put ye on the Lord Jesus Christ, and make not provision for the flesh,
to fulfil the lusts thereof.